forked from OSchip/llvm-project
55 lines
2.3 KiB
LLVM
55 lines
2.3 KiB
LLVM
; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt -loop-vectorize -S -mtriple=x86_64-- -o - %s | FileCheck %s
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; Testcase that point out faulty bitcast that cast between different sizes.
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; See "bitcast ([1 x %rec8]* @a to <2 x i16*>)" in checks below
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%rec8 = type { i16 }
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@a = global [1 x %rec8] zeroinitializer
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@b = global [2 x i16*] zeroinitializer
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define void @f1() {
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; CHECK-LABEL: @f1(
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; CHECK-NEXT: bb1:
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; CHECK-NEXT: br i1 false, label [[SCALAR_PH:%.*]], label [[VECTOR_PH:%.*]]
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; CHECK: vector.ph:
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; CHECK-NEXT: br label [[VECTOR_BODY:%.*]]
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; CHECK: vector.body:
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; CHECK-NEXT: [[INDEX:%.*]] = phi i32 [ 0, [[VECTOR_PH]] ], [ [[INDEX_NEXT:%.*]], [[VECTOR_BODY]] ]
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; CHECK-NEXT: [[TMP0:%.*]] = trunc i32 [[INDEX]] to i16
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; CHECK-NEXT: [[OFFSET_IDX:%.*]] = add i16 0, [[TMP0]]
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; CHECK-NEXT: [[BROADCAST_SPLATINSERT:%.*]] = insertelement <2 x i16> undef, i16 [[OFFSET_IDX]], i32 0
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; CHECK-NEXT: [[BROADCAST_SPLAT:%.*]] = shufflevector <2 x i16> [[BROADCAST_SPLATINSERT]], <2 x i16> undef, <2 x i32> zeroinitializer
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; CHECK-NEXT: [[INDUCTION:%.*]] = add <2 x i16> [[BROADCAST_SPLAT]], <i16 0, i16 1>
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; CHECK-NEXT: [[TMP1:%.*]] = add i16 [[OFFSET_IDX]], 0
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; CHECK-NEXT: [[TMP2:%.*]] = sext i16 [[TMP1]] to i64
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; CHECK-NEXT: [[TMP3:%.*]] = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 [[TMP2]]
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; CHECK-NEXT: [[TMP4:%.*]] = getelementptr i16*, i16** [[TMP3]], i32 0
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; CHECK-NEXT: [[TMP5:%.*]] = bitcast i16** [[TMP4]] to <2 x i16*>*
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; CHECK-NEXT: store <2 x i16*> bitcast ([1 x %rec8]* @a to <2 x i16*>), <2 x i16*>* [[TMP5]], align 8
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; CHECK-NEXT: [[INDEX_NEXT]] = add i32 [[INDEX]], 2
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; CHECK-NEXT: [[TMP6:%.*]] = icmp eq i32 [[INDEX_NEXT]], 2
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; CHECK-NEXT: br i1 [[TMP6]], label [[MIDDLE_BLOCK:%.*]], label [[VECTOR_BODY]], !llvm.loop !0
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; CHECK: middle.block:
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bb1:
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br label %bb2
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bb2:
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%c.1.0 = phi i16 [ 0, %bb1 ], [ %_tmp9, %bb2 ]
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%_tmp1 = zext i16 0 to i64
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%_tmp2 = getelementptr [1 x %rec8], [1 x %rec8]* @a, i16 0, i64 %_tmp1
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%_tmp4 = bitcast %rec8* %_tmp2 to i16*
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%_tmp6 = sext i16 %c.1.0 to i64
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%_tmp7 = getelementptr [2 x i16*], [2 x i16*]* @b, i16 0, i64 %_tmp6
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store i16* %_tmp4, i16** %_tmp7
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%_tmp9 = add nsw i16 %c.1.0, 1
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%_tmp11 = icmp slt i16 %_tmp9, 2
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br i1 %_tmp11, label %bb2, label %bb3
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bb3:
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ret void
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}
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